kmx git

Commit	Date	Message
0aa98873	2011-07-18T11:27:58	Add an sse4 algorithm to CPU mining.
fc184625	2011-07-18T10:33:31	We now are guaranteed to have one fresh work item after a block change and we should only discard staged requests.
d53ee8e7	2011-07-18T10:19:22	Don't waste the work we retrieve from a longpoll.
0c253734	2011-07-18T10:12:38	Provide a control lock around global bools to avoid racing on them.
b6ac9f18	2011-07-17T20:06:43	Revert "Make sure not to try and submit work for nonces higher than already submitted in current work item." This reverts commit a2dd410e362116a12ac5609da77abb3a5ee1b736. Incorrect fix. Missed real shares that are accepted.
1d45b7f4	2011-07-17T20:06:25	Revert "Don't miss first work item." This reverts commit 57f5893f4aabdfdbb1395034fefe4ee6c9b8f8ea. Start reverting. This fix didn't help.
57f5893f	2011-07-17T19:36:17	Don't miss first work item.
a2dd410e	2011-07-17T19:33:53	Make sure not to try and submit work for nonces higher than already submitted in current work item. This reduces rejects substantially.
eb91b03e	2011-07-16T23:31:32	Show last 8 characters of the share submitted.
96cc141b	2011-07-16T17:43:04	Display URL connected to and user connected as in status.
3e032b8a	2011-07-16T12:48:15	Display current block and when it was started in status line.
a1339d72	2011-07-16T11:06:58	Only pthread_join the mining threads if they exist as determined by pthread_cancel.
3cb7ef2b	2011-07-16T10:46:50	Create a unique get work queue instead of faking it all to thread 0.
0a9db84d	2011-07-16T10:33:01	Make it clear the restart message is going to the watchdog thread.
8203cc67	2011-07-16T10:28:59	Check the current block description hasn't been blanked pending the real new current block data.
18af4e62	2011-07-16T10:13:49	Re-enable signal handlers once the custom sighandler has been hit to make it possible to still kill cgminer.
70edd0d3	2011-07-16T02:55:43	Disable restarting of CPU mining threads pending further investigation. They may not need it and are easily killed off.
274022f2	2011-07-16T02:07:52	Message too verbose. Simplify it.
55695066	2011-07-16T01:57:04	Display appropriate messages with/without longpoll to make it clear if stalls happen that cgminer is waiting on more work.
3785e50d	2011-07-16T01:47:58	Add new block data to status line.
77b0f946	2011-07-16T00:52:57	Only do local generation of work if existing work is not stale.
4a941992	2011-07-16T00:34:05	Abstract out the test for stale work and test for it in the actual mining threads as well.
6dcf05ff	2011-07-15T23:35:38	Make sure that local work generation does not proceed indefinitely by limiting it to the average block generation time - 10 minutes. Doing more work will just waste power and will virtually never produce accepted shares.
aeaeac08	2011-07-15T10:42:06	Allow queue of zero again and make it default since we can track queued vs staged now and see if the queue needs to be bigger.
8a400369	2011-07-15T10:27:48	Just insist on 1 lp staged work per mining thread on new block.
4c917179	2011-07-15T09:48:26	Limit the number of work items we put in the queue.
32221c45	2011-07-15T09:39:29	We shouldn't be deleting lp_staged value on dec_staged. It prevents detecting get_work failures.
23e4add2	2011-07-15T09:38:52	Add a system status line to the formatted output.
34ecc59f	2011-07-15T08:56:52	Forgot to set total_devices for the purposes of finding a positive active_device.
579bd429	2011-07-15T08:53:05	Revert "Change get_work to use a timeout when trying to tq_pop as a sanity failsafe in case of unusual circumstances." This reverts commit 7b9b0781146dde69378d53bafd3c8817fb8909e9. Conflicts: util.c Timeout was a bandaid for other going-idle reasons and never helped. Revert it.
6ab29660	2011-07-15T01:11:47	Limit display to total devices to avoid repeating when selecting devices.
5fd73374	2011-07-15T01:08:23	Get the device number from the thread id, not the other way around.
2864892e	2011-07-15T01:05:36	Make sure we are working with the correct id devices and only print out the ones that are active.
86987b65	2011-07-14T23:55:03	Refresh is missing after each curses_print_status to update the status window.
636c4250	2011-07-14T23:46:32	Trivial EOL.
5bbd3134	2011-07-14T23:43:00	Show the correct gpu devices only.
c36cc61f	2011-07-14T22:16:06	Ensure we connect at least once successfully before continuing to try to connect.
e21e9236	2011-07-14T21:46:22	Make the curses interface optional with a new --text-only -T option.
ed115017	2011-07-14T21:25:32	Make the curses output separate from regular text output and put an executive summary after curses is shut down when cgminer exits.
c4cc83dc	2011-07-14T18:39:52	Explicitly grab first work item before entering asynchronous loop to prevent apparent HW errors when first starting due to stale data on the GPU.
df43b713	2011-07-14T18:24:56	Add start time datestamp to status output.
4c859f32	2011-07-14T18:07:10	Make setting of intensity implicitly disable dynamic mode and remove the option to disable dynamic mode by itself.
fe8ab94a	2011-07-14T17:43:16	The max_nonce wasn't being reset on starting new work making cpu mining fail on each new work item.
3d900e7b	2011-07-14T11:47:56	Initialise gpu_ms_average.
ba4ba7f6	2011-07-14T11:26:56	Only restart threads that are not stuck waiting on lp staged work, and add one mandatory queued work item for each restart.
7e38a37a	2011-07-14T11:05:12	Fix compiler warnings.
20b3e07f	2011-07-14T11:03:14	Implement signal handler and clean up properly.
02cd113c	2011-07-14T10:13:22	Tidy up display.
7d517dcf	2011-07-14T01:50:20	Conflicting options with -n. Change ndevs to -e for enumerate devices.
8375d1a2	2011-07-13T15:22:06	Add a dynamic flag that tries at all times to maintain the desktop interactive and make it possible to disable it for dedicated miners.
56d830a2	2011-07-13T12:08:43	Trivial.
a8b39bcb	2011-07-13T12:07:16	Make the status window maximum width to begin with.
3a968490	2011-07-13T12:05:04	Turn the wakeup thread into a watchdog thread that checks when the last time a thread reported in was and restarts the thread if it has been idle for more than a minute.
c23827cb	2011-07-13T10:51:01	Update the per-thread view as well to not miss dead threads.
81f8af85	2011-07-13T10:42:12	Cope with servers that regularly drop the longpoll connection.
4de3f32a	2011-07-13T00:58:13	Move to newer jansson library.
bb4deaa2	2011-07-12T22:36:30	strcat in longpoll thread can write outside of longpoll_block so cat them all in main().
86bc0426	2011-07-12T19:28:48	Remove unused variable.
7b9b0781	2011-07-12T19:19:00	Change get_work to use a timeout when trying to tq_pop as a sanity failsafe in case of unusual circumstances.
222d4ee6	2011-07-12T17:29:59	Make curses completely inactivated in quiet mode and do not update curses code in wakeup thread when curses is inactive.
76b233a5	2011-07-12T17:03:13	Implement locking around curses updates to avoid screen corruption and refresh both windows fully regularly from the wakeup thread which wakes up infrequently to not be too cpu intensive.
6d4476bb	2011-07-12T00:54:42	Use correct variable in initialisation.
ccf2ea91	2011-07-12T00:33:08	Convert the log and status portions of the screen to two separate ncurses windows for simpler cleaner output.
c59e2ab8	2011-07-11T22:57:17	Avoid possible divide by zero.
43ef5f5d	2011-07-11T22:45:19	Get rid of the flaky time_lock and use the thread safe localtime_r instead.
c836b5bf	2011-07-11T22:18:10	Don't try to find where the cursor is and just set it to the last line for logcursor.
73a864c5	2011-07-11T21:56:34	vfprintf invalidates the va args so do it after the curses output.
a1ffba82	2011-07-11T21:22:22	Refresh the display on every commit to applog since detecting bottom of the screen may be unreliable.
78ed386b	2011-07-11T21:20:48	Delay any threads from starting till everything is set up properly.
b93e6a42	2011-07-11T17:57:54	Show all devices even if only selected are enabled.
505b1859	2011-07-11T16:56:28	Merge https://github.com/ycros/cgminer into cgminer
215ee790	2011-07-11T16:52:18	thr_id can be successful as -1 which is wrong and could lead to a crash.
386489a1	2011-07-11T14:56:17	Added support for pdcurses.
92e04f47	2011-07-11T13:46:01	Make clear for multiple GPUs.
90839cdf	2011-07-11T13:41:31	Implement a completely curses based display and don't output to stderr when log is enabled unless it's redirected away from the terminal.
f12edd2f	2011-07-10T23:07:53	Keep track of number of mining threads explicitly and only enforce that many work items on new block work.
94fdff9a	2011-07-10T20:17:09	Fix help typo.
75888a1f	2011-07-10T20:14:28	Implement device selection(s) with -d.
fbcd2942	2011-07-10T14:02:23	Really correct the staged count logic failure.
82cac388	2011-07-10T12:59:32	Logic failure meant the longpoll fake staged were never removed. This would lead to idle periods and may have even caused complete idle failures.
8af98be7	2011-07-10T01:01:34	Make the utility demonstrated relative to each device when showing per-device work submissions.
6464dbfc	2011-07-10T00:53:48	Implement per-device request count to have a per-device efficiency and request status.
3d9f244e	2011-07-09T17:30:54	Make all applog at least 80 columns wide obviating the need for spaces at the end of select messages to clear the status line.
5e6b8076	2011-07-09T17:12:12	Tidy output.
1c924789	2011-07-09T17:11:22	Make sure to set first work as mandatory instead of generating work locally from it.
102c4d40	2011-07-09T17:06:30	Give meaningful message on submission failure and resumption instead of spam.
f20e25e0	2011-07-06T19:46:02	Moved pthread mutex inits up, due to applog using a mutex causing a crash. Added Win32 compatability to opt.c.
c9bbaec3	2011-07-09T10:18:29	Cope with delays in retrieving work from the server by knowing when we have run out of staged work. Once we are out of staged work, roll the ntime forwards in the work to generate work locally without a getwork. Display a message explaining when we move to/from local generation to server retrieval. Make sure we don't think we've run out of work transiently after a longpoll by flagging a buffer of fake staged work.
3126002b	2011-07-08T20:27:12	When shares come frequently on more powerful mining hardware the status line doesn't appear for very long and gets drowned out by share information. Cache the output and display it after each share submission.
a8be6851	2011-07-08T11:53:40	Formalise the extra work item that the wakeup thread acts as a watchdog for.
732baa18	2011-07-08T06:12:38	Use the wakeup thread as a watchdog to ensure we don't fall between the holes of queue and dequeue.
bb492874	2011-07-07T14:29:39	Make longpoll aware of when new block detection has detected a new block first and avoid flushing the work queue twice.
186666d3	2011-07-07T10:43:52	Prevent buffer overflow.
25bebf3b	2011-07-07T10:31:36	Make the output line much terser now that it has a lot of information on it.
1b235517	2011-07-07T10:04:37	Merge branch 'cgminer' into mfontani Conflicts: main.c
ed233e8c	2011-07-07T09:58:26	Put work into a staging area which makes it possible to check the latest work data received. Then check the latest work data against a store of the current_block and use it to determine if we have moved to a new block. This makes --no-longpoll work just as efficiently as longpoll, and works around when longpoll is unreliable.
c815de49	2011-07-05T08:29:13	Add "efficiency" and "utility" Efficiency is the percentage of getworks compared to the amount of work requested from the pool. It can go higher than 100% in case more shares than getworks were found. Some pools prefer miners to have a high efficiency; CPU miners likely exhibit a low efficiency. Utility is the number of shares found per minute, since the miner was started. It is another way to describe the effectiveness of a miner.
efebee5a	2011-07-06T16:47:29	Fix the case where there are no GPUs, and exit if they give errors. If there are no GPUs, set nDevs to 0 not -1 (status is set to an unhelpful -1001 here on my laptop, so we can't rely on a particular status value). Also, if nDevs is -1, exit rather than screwing up later.
8b68dc44	2011-07-06T16:47:29	Fix --ndevs/-n option. The option should be called from within the callback, and just use printf to give the raw result, rather than using applog which prepends a timestamp.
8d25df3c	2011-07-06T16:47:29	Cleanup --cpu-threads/-t logic Currently it gets negated which means the default printed is wrong. Use an explicit flag to tell if the user has overridden it; if they haven't, and they turn off the GPUs, reset it to num_processors.

0aa98873

2011-07-18T11:27:58

Add an sse4 algorithm to CPU mining.

fc184625

2011-07-18T10:33:31

We now are guaranteed to have one fresh work item after a block change and we should only discard staged requests.

d53ee8e7

2011-07-18T10:19:22

Don't waste the work we retrieve from a longpoll.

0c253734

2011-07-18T10:12:38

Provide a control lock around global bools to avoid racing on them.

b6ac9f18

2011-07-17T20:06:43

Revert "Make sure not to try and submit work for nonces higher than already submitted in current work item." This reverts commit a2dd410e362116a12ac5609da77abb3a5ee1b736. Incorrect fix. Missed real shares that are accepted.

1d45b7f4

2011-07-17T20:06:25

Revert "Don't miss first work item." This reverts commit 57f5893f4aabdfdbb1395034fefe4ee6c9b8f8ea. Start reverting. This fix didn't help.

57f5893f

2011-07-17T19:36:17

Don't miss first work item.

a2dd410e

2011-07-17T19:33:53

Make sure not to try and submit work for nonces higher than already submitted in current work item. This reduces rejects substantially.

eb91b03e

2011-07-16T23:31:32

Show last 8 characters of the share submitted.

96cc141b

2011-07-16T17:43:04

Display URL connected to and user connected as in status.

3e032b8a

2011-07-16T12:48:15

Display current block and when it was started in status line.

a1339d72

2011-07-16T11:06:58

Only pthread_join the mining threads if they exist as determined by pthread_cancel.

3cb7ef2b

2011-07-16T10:46:50

Create a unique get work queue instead of faking it all to thread 0.

0a9db84d

2011-07-16T10:33:01

Make it clear the restart message is going to the watchdog thread.

8203cc67

2011-07-16T10:28:59

Check the current block description hasn't been blanked pending the real new current block data.

18af4e62

2011-07-16T10:13:49

Re-enable signal handlers once the custom sighandler has been hit to make it possible to still kill cgminer.

70edd0d3

2011-07-16T02:55:43

Disable restarting of CPU mining threads pending further investigation. They may not need it and are easily killed off.

274022f2

2011-07-16T02:07:52

Message too verbose. Simplify it.

55695066

2011-07-16T01:57:04

Display appropriate messages with/without longpoll to make it clear if stalls happen that cgminer is waiting on more work.

3785e50d

2011-07-16T01:47:58

Add new block data to status line.

77b0f946

2011-07-16T00:52:57

Only do local generation of work if existing work is not stale.

4a941992

2011-07-16T00:34:05

Abstract out the test for stale work and test for it in the actual mining threads as well.

6dcf05ff

2011-07-15T23:35:38

Make sure that local work generation does not proceed indefinitely by limiting it to the average block generation time - 10 minutes. Doing more work will just waste power and will virtually never produce accepted shares.

aeaeac08

2011-07-15T10:42:06

Allow queue of zero again and make it default since we can track queued vs staged now and see if the queue needs to be bigger.

8a400369

2011-07-15T10:27:48

Just insist on 1 lp staged work per mining thread on new block.

4c917179

2011-07-15T09:48:26

Limit the number of work items we put in the queue.

32221c45

2011-07-15T09:39:29

We shouldn't be deleting lp_staged value on dec_staged. It prevents detecting get_work failures.

23e4add2

2011-07-15T09:38:52

Add a system status line to the formatted output.

34ecc59f

2011-07-15T08:56:52

Forgot to set total_devices for the purposes of finding a positive active_device.

579bd429

2011-07-15T08:53:05

Revert "Change get_work to use a timeout when trying to tq_pop as a sanity failsafe in case of unusual circumstances." This reverts commit 7b9b0781146dde69378d53bafd3c8817fb8909e9. Conflicts: util.c Timeout was a bandaid for other going-idle reasons and never helped. Revert it.

6ab29660

2011-07-15T01:11:47

Limit display to total devices to avoid repeating when selecting devices.

5fd73374

2011-07-15T01:08:23

Get the device number from the thread id, not the other way around.

2864892e

2011-07-15T01:05:36

Make sure we are working with the correct id devices and only print out the ones that are active.

86987b65

2011-07-14T23:55:03

Refresh is missing after each curses_print_status to update the status window.

636c4250

2011-07-14T23:46:32

Trivial EOL.

5bbd3134

2011-07-14T23:43:00

Show the correct gpu devices only.

c36cc61f

2011-07-14T22:16:06

Ensure we connect at least once successfully before continuing to try to connect.

e21e9236

2011-07-14T21:46:22

Make the curses interface optional with a new --text-only -T option.

ed115017

2011-07-14T21:25:32

Make the curses output separate from regular text output and put an executive summary after curses is shut down when cgminer exits.

c4cc83dc

2011-07-14T18:39:52

Explicitly grab first work item before entering asynchronous loop to prevent apparent HW errors when first starting due to stale data on the GPU.

df43b713

2011-07-14T18:24:56

Add start time datestamp to status output.

4c859f32

2011-07-14T18:07:10

Make setting of intensity implicitly disable dynamic mode and remove the option to disable dynamic mode by itself.

fe8ab94a

2011-07-14T17:43:16

The max_nonce wasn't being reset on starting new work making cpu mining fail on each new work item.

3d900e7b

2011-07-14T11:47:56

Initialise gpu_ms_average.

ba4ba7f6

2011-07-14T11:26:56

Only restart threads that are not stuck waiting on lp staged work, and add one mandatory queued work item for each restart.

7e38a37a

2011-07-14T11:05:12

Fix compiler warnings.

20b3e07f

2011-07-14T11:03:14

Implement signal handler and clean up properly.

02cd113c

2011-07-14T10:13:22

Tidy up display.

7d517dcf

2011-07-14T01:50:20

Conflicting options with -n. Change ndevs to -e for enumerate devices.

8375d1a2

2011-07-13T15:22:06

Add a dynamic flag that tries at all times to maintain the desktop interactive and make it possible to disable it for dedicated miners.

56d830a2

2011-07-13T12:08:43

Trivial.

a8b39bcb

2011-07-13T12:07:16

Make the status window maximum width to begin with.

3a968490

2011-07-13T12:05:04

Turn the wakeup thread into a watchdog thread that checks when the last time a thread reported in was and restarts the thread if it has been idle for more than a minute.

c23827cb

2011-07-13T10:51:01

Update the per-thread view as well to not miss dead threads.

81f8af85

2011-07-13T10:42:12

Cope with servers that regularly drop the longpoll connection.

4de3f32a

2011-07-13T00:58:13

Move to newer jansson library.

bb4deaa2

2011-07-12T22:36:30

strcat in longpoll thread can write outside of longpoll_block so cat them all in main().

86bc0426

2011-07-12T19:28:48

Remove unused variable.

7b9b0781

2011-07-12T19:19:00

Change get_work to use a timeout when trying to tq_pop as a sanity failsafe in case of unusual circumstances.

222d4ee6

2011-07-12T17:29:59

Make curses completely inactivated in quiet mode and do not update curses code in wakeup thread when curses is inactive.

76b233a5

2011-07-12T17:03:13

Implement locking around curses updates to avoid screen corruption and refresh both windows fully regularly from the wakeup thread which wakes up infrequently to not be too cpu intensive.

6d4476bb

2011-07-12T00:54:42

Use correct variable in initialisation.

ccf2ea91

2011-07-12T00:33:08

Convert the log and status portions of the screen to two separate ncurses windows for simpler cleaner output.

c59e2ab8

2011-07-11T22:57:17

Avoid possible divide by zero.

43ef5f5d

2011-07-11T22:45:19

Get rid of the flaky time_lock and use the thread safe localtime_r instead.

c836b5bf

2011-07-11T22:18:10

Don't try to find where the cursor is and just set it to the last line for logcursor.

73a864c5

2011-07-11T21:56:34

vfprintf invalidates the va args so do it after the curses output.

a1ffba82

2011-07-11T21:22:22

Refresh the display on every commit to applog since detecting bottom of the screen may be unreliable.

78ed386b

2011-07-11T21:20:48

Delay any threads from starting till everything is set up properly.

b93e6a42

2011-07-11T17:57:54

Show all devices even if only selected are enabled.

505b1859

2011-07-11T16:56:28

Merge https://github.com/ycros/cgminer into cgminer

215ee790

2011-07-11T16:52:18

thr_id can be successful as -1 which is wrong and could lead to a crash.

386489a1

2011-07-11T14:56:17

Added support for pdcurses.

92e04f47

2011-07-11T13:46:01

Make clear for multiple GPUs.

90839cdf

2011-07-11T13:41:31

Implement a completely curses based display and don't output to stderr when log is enabled unless it's redirected away from the terminal.

f12edd2f

2011-07-10T23:07:53

Keep track of number of mining threads explicitly and only enforce that many work items on new block work.

94fdff9a

2011-07-10T20:17:09

Fix help typo.

75888a1f

2011-07-10T20:14:28

Implement device selection(s) with -d.

fbcd2942

2011-07-10T14:02:23

Really correct the staged count logic failure.

82cac388

2011-07-10T12:59:32

Logic failure meant the longpoll fake staged were never removed. This would lead to idle periods and may have even caused complete idle failures.

8af98be7

2011-07-10T01:01:34

Make the utility demonstrated relative to each device when showing per-device work submissions.

6464dbfc

2011-07-10T00:53:48

Implement per-device request count to have a per-device efficiency and request status.

3d9f244e

2011-07-09T17:30:54

Make all applog at least 80 columns wide obviating the need for spaces at the end of select messages to clear the status line.

5e6b8076

2011-07-09T17:12:12

Tidy output.

1c924789

2011-07-09T17:11:22

Make sure to set first work as mandatory instead of generating work locally from it.

102c4d40

2011-07-09T17:06:30

Give meaningful message on submission failure and resumption instead of spam.

f20e25e0

2011-07-06T19:46:02

Moved pthread mutex inits up, due to applog using a mutex causing a crash. Added Win32 compatability to opt.c.

c9bbaec3

2011-07-09T10:18:29

Cope with delays in retrieving work from the server by knowing when we have run out of staged work. Once we are out of staged work, roll the ntime forwards in the work to generate work locally without a getwork. Display a message explaining when we move to/from local generation to server retrieval. Make sure we don't think we've run out of work transiently after a longpoll by flagging a buffer of fake staged work.

3126002b

2011-07-08T20:27:12

When shares come frequently on more powerful mining hardware the status line doesn't appear for very long and gets drowned out by share information. Cache the output and display it after each share submission.

a8be6851

2011-07-08T11:53:40

Formalise the extra work item that the wakeup thread acts as a watchdog for.

732baa18

2011-07-08T06:12:38

Use the wakeup thread as a watchdog to ensure we don't fall between the holes of queue and dequeue.

bb492874

2011-07-07T14:29:39

Make longpoll aware of when new block detection has detected a new block first and avoid flushing the work queue twice.

186666d3

2011-07-07T10:43:52

Prevent buffer overflow.

25bebf3b

2011-07-07T10:31:36

Make the output line much terser now that it has a lot of information on it.

1b235517

2011-07-07T10:04:37

Merge branch 'cgminer' into mfontani Conflicts: main.c

ed233e8c

2011-07-07T09:58:26

Put work into a staging area which makes it possible to check the latest work data received. Then check the latest work data against a store of the current_block and use it to determine if we have moved to a new block. This makes --no-longpoll work just as efficiently as longpoll, and works around when longpoll is unreliable.

c815de49

2011-07-05T08:29:13

Add "efficiency" and "utility" Efficiency is the percentage of getworks compared to the amount of work requested from the pool. It can go higher than 100% in case more shares than getworks were found. Some pools prefer miners to have a high efficiency; CPU miners likely exhibit a low efficiency. Utility is the number of shares found per minute, since the miner was started. It is another way to describe the effectiveness of a miner.

efebee5a

2011-07-06T16:47:29

Fix the case where there are no GPUs, and exit if they give errors. If there are no GPUs, set nDevs to 0 not -1 (status is set to an unhelpful -1001 here on my laptop, so we can't rely on a particular status value). Also, if nDevs is -1, exit rather than screwing up later.

8b68dc44

2011-07-06T16:47:29

Fix --ndevs/-n option. The option should be called from within the callback, and just use printf to give the raw result, rather than using applog which prepends a timestamp.

8d25df3c

2011-07-06T16:47:29

Cleanup --cpu-threads/-t logic Currently it gets negated which means the default printed is wrong. Use an explicit flag to tell if the user has overridden it; if they haven't, and they turn off the GPUs, reset it to num_processors.

thodg/cgminer/main.c

main.c

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